IceCap Co2 scrubber installation

[drtechno]

Ya that’s how I have mine as well. Pulling thru skimmer. As far as what size tubing, it’s whatever the typical vinyl tubing is at Home Depot for evacuation pumps. Looks like mine is 3/8” ID

Here is a pic of my wonky setup with my moisture trap before it

 

[Dave Clark]

It could hook to an air pump but for best results your skimmer intake should pull from the scrubber.

I’ve got a nano tank without a skimmer. I’ve read in other threads that people have had some success with a pump and an air stone.